.net 怎么连接mysql数据库

<connectionStrings>

   <add name="DefaultConnection" connectionString="Data Source=(LocalDb)\v11.0;Initial Catalog=aspnet-Sanlogic.MSTWebsite-20140219093639;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnet-Sanlogic.MSTWebsite-20140219093639.mdf" providerName="System.Data.SqlClient" />

   <add name="DBConnection"   connectionString="server=localhost;user id=root;password=123456;database=ABC; pooling=true;"

          providerName="MySql.Data.MySqlClient" /> 

 </connectionStrings>

public static MySqlConnection CreateConn()

{            string _conn = WebConfigurationManager.ConnectionStrings["DBConnection"].ConnectionString;

    MySqlConnection conn = new MySqlConnection(_conn);            return conn;

}